Oracle Database – SQL Fundamentals (ORA0)

Databases, Oracle

Get practical Oracle SQL skills: learn to write clear SELECT queries, combine data with JOINs, and filter results using WHERE. The course covers relational concepts, basic data manipulation and tools for exploring and extracting data.

Build and change database structures: create tables, indexes, constraints and views using DDL, and manage data with DML statements like INSERT, UPDATE and DELETE. The training also covers access control and tools for running scripts and flashback queries.

THIS TRAINING COURSE WILL HELP YOU:

  • Understand core SQL concepts and data manipulation
  • Write SELECTs, use filters, joins and aggregate functions
  • Create and modify tables, indexes, constraints and views
  • Use subqueries, set operators and Oracle-specific tools

WHO SHOULD ATTEND?

  • Developers and programmers learning Oracle SQL
  • Project managers needing to understand database behavior
  • Data analysts extracting and analyzing Oracle data

COURSE LOCATION AND AVAILABLE DATES



Choose whether to attend in person in our classroom or join online. You can select your preferred format during registration. Learn more about hybrid training.
Brno + online (optional)
Praha + online (optional)
Need this course in English?

Public courses are usually delivered in Czech, but this course is also available in English. We can arrange private training for your team online, at your premises or in our classrooms, and tailor the content to your needs.

For groups of around 4 or more participants, private training can already be comparable in price to booking individual places on a public course. Send us your requirements and we’ll recommend the best format and provide an exact quote.

Request training in English

Course content:

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  • Introduction and distinguishing SQL from SQL*Plus commands
    1. Logging in via iSQL*Plus
    2. Working with SQL*Plus and SQL Developer
    3. Using SET commands
  • Retrieving data with the SELECT statement
    1. Using arithmetic and concatenation operators
    2. Using WHERE to select specific rows
    3. Applying logical expressions in WHERE
    4. Using LIKE for text matching
    5. Logical operators AND, OR, NOT
    6. Operator precedence
  • CROSS JOIN to produce a Cartesian product
    1. NATURAL JOIN
    2. Restricting NATURAL JOIN to listed columns – JOIN USING
    3. General joins – JOIN ON; joining three or more tables
    4. LEFT, RIGHT and FULL OUTER JOIN
  • Sorting results with ORDER BY
  • Overview and use of aggregate functions
    1. Grouping rows with GROUP BY
    2. Filtering grouped results with HAVING
    3. ROLLUP, CUBE and GROUPING clauses
  • Date and numeric functions
    1. Using SYSDATE to get the current date, default formats
    2. Using the DUAL table to evaluate expressions
    3. Handling data across time zones
  • DISTINCT with aggregate functions
    1. How aggregates handle NULL values
    2. Grouping by multiple columns
    3. Avoiding invalid queries with aggregates
  • Best practices for subqueries
    1. Types of subqueries: single-row, scalar subqueries
    2. Using aggregate functions in subqueries
    3. Illegal subquery constructs
    4. Multi-row subqueries
    5. Using IN, ANY and ALL with subqueries
    6. Effect of empty subquery results on the outer query
  • Combining row sets with UNION and eliminating duplicates
    1. UNION ALL to keep duplicates
    2. INTERSECT operator
    3. MINUS operator
  • Using DML commands INSERT, UPDATE, DELETE
    1. Using DDL to create tables, indexes, constraints and views
  • Working with flashback queries
  • Saving SQL commands into batch/script files
  • Managing objects via data dictionary views
  • Controlling user access and privileges
  • Retrieving hierarchical data
  • Support for regular expressions and case-insensitive searches
Prerequisites:
Basic knowledge of MS Windows.
Recommended follow-up course:
Oracle Database – Programming in PL/SQL (ORA5)
Schedule:
3 days (9:00-17:00)
Price per person:
656.00 € ( 793.76 € incl. 21% VAT)

Training and learning environment

IT classroom with desks, computer monitors, and a projection screen at the front.
What does the environment for in-person IT courses look like?We hold training courses in our own classrooms equipped with modern computer equipment for each participant and a large projection screen. Each workstation is fitted with a powerful computer for seamless practical exercises, and the environment supports a calm, friendly atmosphere during training.
IT classroom with desks, computer monitors, and a projection screen at the front.
Do I need to bring my own laptop to the classroom IT course?Our training rooms are fully equipped, so you do not need to bring your own laptop. A modern computer with all necessary hardware and software is ready for you at your workstation.
Sample ICT Pro certificate of successful completion of an IT training course.
Will you receive an official certificate after completing an IT course?Yes, upon successful completion of the training course, you will receive an official ICT Pro certificate confirming your participation and acquired technical skills. You can use it to verify your qualifications or add it to your professional profile.
Exterior view of the COMGUARD office building on Sochorova Street in Brno.
Where can you find our training center in Brno?The premises of the ICT Pro training center are located on the 1st floor of the COMGUARD building at Sochorova 38 in Brno. Positioned on the border of Žabovřesky and Komín, the location is easily accessible by both car and public transport.
Exterior view of the Opatov Park office building in Prague, Chodov.
Where can you find our training center in Prague?The premises of the ICT Pro training center are located on the 1st floor of the Opatov Park building at Líbalova 1, Prague 11 – Chodov. The location provides a comfortable environment for your education with convenient access.
Fully equipped kitchenette with a coffee machine, microwave, sink, and shelves with cups and glasses.
What facilities and refreshments are available to you during training breaks?Our training centers feature a fully equipped kitchenette for a comfortable break during your courses. The facilities include a coffee machine, microwave, kettle, and a wide selection of drinks and snacks.
Coffee station featuring an automatic coffee machine, yellow and white cups, glasses, and syrups.
What beverage refreshments are available during your course?A beverage station with a coffee machine, teas, syrups, and water is at your disposal throughout the entire training session. You can enjoy a coffee or another drink of your choice anytime during breaks.
Table with sweet pastries, fruit syrups, a water dispenser, and glasses set up for training participants.
What light refreshments are provided for you during the courses?During course breaks, participants can enjoy light sweet snacks, pastries, and fruit syrups to mix their own drinks. Fresh water dispenser and plates are also available for your convenience.
Wicker baskets filled with packaged savory snacks, sweet biscuits, and snack bars.
Should I bring my own snacks to ICT Pro training?There is no need to. A wide selection of savory snacks, sweet biscuits, and snack bars is available for you during breaks. Boost your energy for all-day focus right inside the training center premises.
Outdoor wooden terrace with green surroundings by the glass building of the training center.
Can you spend training breaks in the fresh air?Yes, an outdoor terrace is available at our training center. During breaks between learning sessions, you can relax in the fresh air in a pleasant green environment.
Spacious outdoor wooden terrace with seating and views of the surrounding area.
Where can you relax during course breaks?Our training center features a spacious outdoor terrace with seating options. During breaks between learning sessions, you can step outside to relax and recharge in the fresh air.